LXR linux/drivers/net/wireless/ti/wlcore/wl12xx_platform

   1/*
   2 * This file is part of wl12xx
   3 *
   4 * Copyright (C) 2010-2011 Texas Instruments, Inc.
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License
   8 * version 2 as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful, but
  11 * WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 * General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18 * 02110-1301 USA
  19 *
  20 */
  21
  22#include <linux/module.h>
  23#include <linux/err.h>
  24#include <linux/wl12xx.h>
  25
  26static struct wl12xx_platform_data *platform_data;
  27
  28int __init wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
  29{
  30        if (platform_data)
  31                return -EBUSY;
  32        if (!data)
  33                return -EINVAL;
  34
  35        platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
  36        if (!platform_data)
  37                return -ENOMEM;
  38
  39        return 0;
  40}
  41
  42struct wl12xx_platform_data *wl12xx_get_platform_data(void)
  43{
  44        if (!platform_data)
  45                return ERR_PTR(-ENODEV);
  46
  47        return platform_data;
  48}
  49EXPORT_SYMBOL(wl12xx_get_platform_data);
  50